Which carrier provides the fastest Netflix experience?

If you are one of the approximately 33 million Netflix Inc.
/quotes/zigman/87598/quotes/nls/nflxNFLX customers worldwide who use the company’s video-streaming service, there’s probably been a good chance that at some time you have found yourself watching a circle spin around on your screen while you waited for your movie to load.

It can be an excruciating number of seconds, or minutes, as you wait for that next episode of “Dora The Explorer” to show up and stop your kids from screaming bloody murder at you. And according to new data from Netflix, what Internet service provider you use can make a world of difference in how quickly your kids can be placated.

On Monday, Netflix put out its ISP Speed Index, which can be viewed here.

Netflix describes the index as “an easy overview of the performance of ISPs in several of the countries Netflix is available in,” based on data from Netflix customers whom, the company said, “view over 1 billion hours of TV shows and movies streaming from Netflix per month.”

Among the top ISPs for watching Netflix’s offerings are Google Fiber in the U.S., with an average speed of 3.35 megabits per second [Mbps], Sweden’s Ownit and its 2.99 Mbps speed, and in the U.K., the 2.37 Mbps speed from Virgin.

The slowest speed in the Netflix data? That comes from Clearwire, in the U.S., and it rate of 1.25 Mbps.

In a statement, Netflix said that video-delivery performance can be affected by “many factors, including the variety of encodes Netflix uses to deliver the TV shows and movies as well as the variety of devices members use and home network conditions.” Which helps explain how Comcast
/quotes/zigman/89307/quotes/nls/cmcsaCMCSA, the largest cable company in the U.S, and likely the source of most of Netflix’s customers, came in with an average speed of 2.06 Mbps.

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